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Switzerland - PoLuMe: given green light from the Federal Council

In its meeting on the 16th December 2022, the Federal Council approved the general project for the upgrading of the A2 motorway from Lugano to Mendrisio (PoLuMe). The total investment amounts to ... More Information

The HRBT Expansion Project - TBM Main Drive Installation update

The HRBT Expansion Project - TBM Main Drive Installation update

Work is progressing on the reassembly and placement within cell 1 of the South Island Launch Pit of TBM Mary with her shield section already to set in place. In the next few days the team will lift ... More Information

This is how Augmented Reality digitalizes Machinery and Plant Engineering at Häny

From article by AUGMENT IT - With Augmented Reality, companies increase efficiency and quality in the inspection processes of Plants and Machines, as the case of Häny AG impressively ... More Information

Terratec TBM S88 Breaks through in Meerut

Terratec TBM S88 Breaks through in Meerut

On the 15/12/2022 Sudarshan 8.1, the Terratec TBM EPB S88, reached the Meerut Central RRTS Station completing the 1823.39 m long tunnel between Bhainsali to Meerut Central Stations (Package 8). ... More Information

A CRCHI Hard Rock TBM has achieved 1000 meters per month in Peru

A CRCHI Hard Rock TBM has achieved 1000 meters per month in Peru

On December 6, the first hard rock TBM exported to South America by CRCHI created an advance rate record of more than 1000 meters per month for the construction of the San Gawang Hydropower Project ... More Information

Patna Metro Rail Project updates

The construction work on the underground section of Corridor 2 in Patna, the capital of Bihar, will soon be on a fast track as two of the four TBMs procured by the Delhi Metro Rail Corporation ... More Information

A new excavation front for the Lyon-Turin tunnel project

The Lyon-Turin base tunnel in France has now commenced excavation in Saint-Julien-Montdenis on construction site n.08 in Villard-Clément. Almost 3 km of tunnels will join the 10.5 km already ... More Information

DMRC achieves major construction milestone

In November 2022 the Delhi Metro Rail Corporation (DMRC) achieved a major construction milestone in Phase 4. They completed tunnelling work between Krishna Park Extension and Keshopur on the ... More Information

Hiwa-i-te-Rangi has completed Manukau harbour crossing in Auckand

Hiwa-i-te-Rangi has completed Manukau harbour crossing in Auckand

The 5.4m diameter TBM Hiwa-i-te-Rangi arrived at the 25m deep Pump Station 23 shaft in Hillsborough (Auckland) on 6th December. The TBM had left the southern shore of the Manukau in September ... More Information

The winners of the 8th edition of ITA Tunnelling Awards

The 8th edition of the ITA Tunnelling and Underground Space Awards was held online on the 8th December 2023. The winners in each category are:  MAJOR PROJECT OF THE YEAR - Purple line ... More Information

Terzo Valico dei Giovi-Genoa Junction Combined Project - New breakthough in Valico tunnel

Terzo Valico dei Giovi-Genoa Junction Combined Project - New breakthough in Valico tunnel

On the 04/12/2022 - celebrating Saint Barbara the patron saint of miners and tunnellers - there was a breakthrough between Polcevera and Cravasco work site in the Valico tunnel (odd track). This ... More Information

Feds Clear the Way for VTA to Pursue Billions More in Funding for BART Silicon Valley Extension

The Santa Clara Valley Transportation Authority (VTA) just received authority to pursue federal funding for up to 50% of the cost of Phase II of the BART Silicon Valley Extension Project. The ... More Information

Lower Thames Crossing plans accepted for examination

Earlier this week, the Government’s independent planning authority, the Planning Inspectorate, confirmed it has accepted National Highway’s application for a Development Consent Order ... More Information

Grand Paris Express - Updates

Grand Paris Express - Updates

Line 17  - On Monday 14th  November at 5 pm the TBM Dorine - 120 m long and weighing over 1,000 t – brokethrough at Line 17’s Rolland manufact in Le Bourget at a depth of 26 m, ... More Information

HS2 celebrates launch of TBM for second tunnel bore under Long Itchington Wood UK

HS2 celebrates launch of TBM for second tunnel bore under Long Itchington Wood UK

Press release - HS2 Ltd’s 125 metre-long ‘Dorothy’ tunnel boring machine has launched for her second one-mile tunnel bore under Long Itchington Wood in Warwickshire, marking the ... More Information

New innovative machine the WallEater now available from 4STREETS Srl

There has been great excitement recently at the 4STREETS Srl office, due to the fact that 4machines Srl has delivered an innovative new machine called the WallEater. It is equipped ... More Information

The Lower Olentangy Tunnel project in the city of Columbus is moving forward

The Lower Olentangy Tunnel project in the city of Columbus is moving forward

In November 2022 the Herrenknechkt TBM - value EUR10.63 million (USD11 million) - that was shipped from Germany has now been moved to the construction site on the Olentangy River Road in the city of ... More Information

Approved by Fire Brigade - Turin's metro line 2 project

Approved by Fire Brigade - Turin's metro line 2 project

The Provincial Fire Brigade Command approved, on 21 November, the final design of the Rebaudengo-Polytechnic section of the metro Line 2 in Turin.   The project represents the "first ... More Information

Tseung Kwan O-Lam Tin Tunnel and Cross Bay Link, Tseung Kwan O in Hong Kong opens soon

Tseung Kwan O-Lam Tin Tunnel and Cross Bay Link, Tseung Kwan O in Hong Kong opens soon

The Tseung Kwan O-Lam Tin Tunnel (TKO-LTT) and the Cross Bay Link, Tseung Kwan O (CBL) will be commissioned on December 11 (Sunday) to improve the transport network and facilitate the commuting ... More Information

The HRBT Expansion Project - Making Headway with the Headwall

The HRBT Expansion Project - Making Headway with the Headwall

The massive east headwall in the South Island launch shaft is now complete, and the 14 m (46-foot) external ring at the start of the new tunnel was recently bolted onto the headwall.  ... More Information

Updated specifications for the northern extension of Line 3 of the Brussels metro

Updated specifications for the northern extension of Line 3 of the Brussels metro

On 14 October 2022, Beliris published a special specification for the civil engineering works for the northward extension of the Brussels metro Line 3. The tenders are expected in the first quarter ... More Information

Supplier conference for the construction of Stad Ship Tunnel

Supplier conference for the construction of Stad Ship Tunnel

The Norwegian Government's budget in 2023 confirmed EUR 7.23 million (NOK 76 million) was set aside for the Stad ship tunnel. After the Storting (Norwegian Parliament) approved the construction and ... More Information

Robbins Double Shield Launches in Nepal

Robbins Double Shield Launches in Nepal

Second Project Underway for Record-Setting TBM - In October 2022, China Overseas Engineering Group Co. Ltd and China Railway No. 2 Engineering Group Co Ltd launched a 6.4 m diameter Robbins Double ... More Information

Milan M4 update

On Saturday 26th  November the Municipality of Milan and Webuild will inaugurate the first 5.4 km of the new M4 line (Blue), connecting Linate airport with Dateo, one of the 6 interchanges of ... More Information

Silvertown tunnel update

Silvertown tunnel update

Riverlinx’s TBM Jill has now bored more than 210m and installed 102 rings and now it has started tunnelling under the river Thames towards North Greenwich! Once the TBM reaches the Greenwich ... More Information

Registration for the 8th edition of the ITA Tunnelling Awards is open!

Since 2015, the international competition the ITA Tunnelling and Underground Space Awards seeks and rewards the most ground-breaking innovation and outstanding projects in tunnelling and ... More Information

Construction update on the Eglinton Crosstown West Extension

In the last six months Renny, the first TBM to start tunnelling between Renforth Drive and Scarlett Road for the contractor West End Connectors Construction (WECC) has tunnelled 1.9 km, while Rexy, ... More Information

Inter-prefecture decree declaring the LNPCA Phases 1 & 2 project of public utility

Inter-prefecture decree declaring the LNPCA Phases 1 & 2 project of public utility

On Thursday 13 October 2022 the Prefect of the Provence-Alpes-Côte d'Azur and Bouches-du-Rhône Region, the Prefect of Var and the Prefect of the Alpes-Maritimes signed the ... More Information

Independent Study Confirms VTA Plans for a Single Bore Tunnel

An independent study by world renowned tunnelling experts, confirms the Valley Transportation Authority’s single bore tunnel design is the right approach to deliver the BART Silicon Valley ... More Information

Robbins TBM Launches in Nepal

On October 14, 2022 China Overseas Engineering Group Co. Ltd and China Railway N. 2 Engineering Group Co Ltd launched a 6.4 m diameter Robbins Double Shield TBM. The TBM will bore the 13.1 km ... More Information

First section of CRL track laid

Press release - After the final tunnelling breakthrough last month, the Link Alliance team has completed the first section of railway track from Te Waihorotiu Station (Aotea) to Waitemata Station ... More Information

Construction begins on the Davao City Bypass‘s tunnel in the Philippines

Construction begins on the Davao City Bypass‘s tunnel in the Philippines

The Philippines's Department of Public Works and Highways (DPWH) is going to accelerate the construction of the twin-tube 2.3km- length and 10 m-diameter mountain road tunnel in the central portion ... More Information

The City of Helsingborg requests private sector solutions for a permanent link between Helsingborg and Helsingor

The City of Helsingborg requests private sector solutions for a permanent link between Helsingborg and Helsingor

The City of Helsingborg issued an RFI (Request for Information) to examine how the private sector would build a permanent link between Helsingborg and Helsingor.    The project will ... More Information

Three TERRATEC EPBMS delivered for Ninth Bangkok Water Supply Tunnel

A total of three new TERRATEC TBMs will take part in the Metropolitan Waterworks Authority’s Ninth Bangkok Water Supply Improvement project in Thailand. TERRATEC celebrated the ... More Information

CRCHI Showcases Its Comprehensive Solution of Underground Engineering Equipment at BAUMA 2022

CRCHI Showcases Its Comprehensive Solution of Underground Engineering Equipment at BAUMA 2022

Press release - The 33rd Edition of the World's Leading Trade Fair for Construction Machinery, Building Material Machines, Mining Machines, Construction Vehicles and Construction Equipment (bauma ... More Information

Route decision for E6 Gyllan – Kvål

On 25th  October the municipal council in Melhus municipality gave the go ahead with routes 1.1A with 100 km/h and option 2.1 with the 6km Homyrkam tunnel for the new E6 from Gyllan to Kval. ... More Information

Tunnelling News

IN MEMORIAM - OLIVIER VION (1962-2024)

Through the past decades, the energy and foresight to lead the management of the ITA International Tunnelling and Underground Space Association has been in the hands of Olivier Vion, a man ... More Information

Amtrak awards construction contract for East River Tunnel rehabilitation

The $1.6 billion project calls for demolishing all existing tunnel systems down to the liner, then restoring both tubes. During the project, one tube ... More Information

Strabag in €110 million deal to equip transalpine tunnel

Austrian contractor Strabag has won a €110 million (US$120 million) to equip a transalpine tunnel linking Austria and Slovenia... More Information

19 tunnel boring machines for Manila subway set

A close-up of the tunnel boring machine head, with a diameter of 6.9 meters. ... The first cutter head of the first tunnel boring machine (TBM), named ... More Information

$16 billion Gateway Tunnel Project gets federal funding boost after years of delays

The $16.1 billion project includes a new rail tunnel linking New York and New Jersey — and is set to be open by 2035 ... More Information

Preferred bidder announced for second tunnelling contract

The global consortium of WeBuild S.p.A, GS Engineering and Construction Australia and Bouygues Construction ... Tunnel Project, North East Link ... More Information

Bechtel Picked as CM for $12.7B Single-bore BART Extension

Officials with the VTA are aiming to begin major construction and tunnelling for the $12.7-billion BART Silicon Valley Phase II Extension Project next ... More Information

Stonehenge could be put on world heritage danger list over tunnel plan

The United Nations Educational, Scientific and Cultural Organization (UNESCO) has recommended that Stonehenge be listed as ‘World Heritage in Danger’ due to the A303 upgrade scheme and is ... More Information

World’s longest railway tunnel to reopen after a year

The tunnel closed on 10th August last year following the derailment of a freight train, and SBB has since been pushing ahead with repair work... More Information

Afcons Infrastructure Wins Bid for Thane Tunnel Project

Afcons Infrastructure secures the L1 bid for a tunnel project in Thane, marking a significant milestone in infrastructure development. More Information

Kolkata Metro: D-Wall's Construction Work At Victoria Metro Station Is Advancing Swiftly

For the tunnelling work of the stretch from the Khidderpore to Park Street stretch of this Corridor, two Tunnel Boring Machines (TBM) will be deployed ... More Information

K2D Skøyen – Vækerø

Implenia has been awarded the contract for section K2D Skøyen - Vækerø, which is part of the entire Fornebu line that will be completed in 2030... More Information

Massey Tunnel replacement project hits design-build proposal stage

Tunnel replacement project has finally hit the design-and-build proposal stage. The Transportation Ministry announced Wednesday that three bid ... More Information

Barhale wins £36m East London sewer remediation

Thames Water has appointed Barhale to deliver essential remediation works on a Victorian gravity sewer as it passes above the Jubilee Line and Docklands Light Railway in East London... More Information

Reaping Rewards From Continuous Innovation

In boring underground tunnels for Malaysia's MRTs, Gamuda developed the world's first autonomous tunnel boring machine (A-TBM), utilizing in-house ... More Information

5 of the longest tunnels in the world and how they were built

Since the invention of the tunnel boring machine in 1853, engineers have used advanced technology to drill, blast, and bore into the earth. From ... More Information

Femern - inauguration of the first tunnel element

We are pleased to announce that H.M. King Frederik X will take part in the inauguration of the first tunnel element on the construction site on 17 June. H.M. King Frederik X will arrive at ... More Information

HOCHTIEF-MURPHY Joint Venture (HMJV)

A busy first half of the year on the HOCHTIEF-MURPHY Joint Venture (HMJV) Package 5 Headhouses & M&E contract on National Grid’s LPT Phase 2... More Information

Tesla Cybertruck escorts Boring Co's Prufrock-3 tunnel boring machine

The Boring Company's Prufrock-3 tunnel boring machine (TBM) recently completed a tunnel to Giga Texas, and in true Elon Musk fashion, ... More Information

Kazakhstan’s First Automobile Tunnel and Largest Bridge to be Completed this Year

As reported by the Kazakhstan’s Ministry of Transport, Kazakhstan’s first automobile tunnel through the Shakpak Baba Pass and the country’s largest bridge over the Bukhtarma Reservoir ... More Information

HRBT Expansion Project hits big milestone, could be on track for early completion

The tunnel boring machine, known as Mary ... construction of our two new bored tunnels,” said Project Director Ryan Banas... More Information

TBMs Pass Factory Test For Lesotho Highlands Water Project

A team of engineers and tunnel experts from the Lesotho Highlands Development Authority (LHDA) together with consultants and contractors working on the Polihali transfer tunnel recently ... More Information

Royal Cargo opts for Goldhofer heavy transport equipment

It has also been in action moving tunnel boring machines (TBM) for the Metro Manila Subway project ... machine part posed a significant challenge due ... More Information

Tunnel breakthrough on NI Water's £7.8M Portadown wastewater project

The tunnel boring machine excavated roughly 1,000m3 of material, which would have risen to 8,000m3 of spoil with a more traditional open-cut method. More Information

The Boring Company announces Cybertunnel at Tesla Texas HQ

In January, the company's latest tunnel boring machine (TBM), Prufrock 3, was first spotted near Tesla's Giga Texas. Prufrock-3 has ... More Information

How do you build tunnels and bridges underwater?

Underground construction usually uses powerful tunnel-boring machines to excavate soil directly. This machine is often called a mole for a reason. More Information

Five Huge New Construction Projects Coming To The US

A spokesperson for the project told Newsweek: "The Hudson Tunnel Project is a generational investment that is expected to create 95,000 new jobs and ... More Information

Chennai Metro Corridor 3: Adyar River Tunnel Work Hampered By Geological Setbacks

For the stretch between Greenways Road and Adyar, CMRL engaged two TBMs, 'Kauvery' and 'Adyar.' These machines were launched from Greenways Road ... More Information

French and Danish firms to build Valby 'cloudburst tunnel'

The underground tunnel will be 2,380m long and will be constructed as a drilled tunnel with an internal diameter of 3.4m. The tunnel will have the ... More Information

Howard's approved budgets include $44.9M for Ellicott City tunnel

The Howard County Council has approved a $2.4 billion operating budget for fiscal 2025, along with a $413 million capital construction budget that ... More Information

DC Water Breaks Ground On Potomac River Tunnel Project

DC Water on May 21 hosted a groundbreaking ceremony to officially commence construction activities for the Potomac River Tunnel Project... More Information

Silvertown Tunnel portal connections completed

A complete transformation of the tunnel shape was needed to connect the circular tunnel boring machine (TBM) constructed ... More Information

The $4BN Tunnel to Save Stockholm - The B1M

Above: A tunnel entrance under construction. When it completes in 2030, the $4BN project will be one of the longest road tunnel systems in the world. More Information

OHLA awarded the Gjønnes tunnel in Norway for nearly 160 million euros

The Norwegian Public Roads Administration (Statens Vegvesen) has awarded the company the design and construction of the Gjønnes tunnel for 156 ... More Information

Utilities tunnel dug through 'challenging' ground conditions under River Tees

Main contractor Farrans Construction worked with specialist contractor Joseph Gallagher to construct the tunnel. During its five weeks of tunnelling ... More Information

China develops world's first boring and blasting machine

In a groundbreaking development, the world's first boring and blasting machine, jointly developed by Tsinghua University and China Railway Science and Industry Group, has successfully ... More Information

Tunnel boring machine wedged in hard rock, leaving Snowy 2.0 hydropower project with new issues

Tunnelling problems are plaguing the $12 billion Snowy 2.0 hydropower project, with a boring machine previously bogged in soft ground now wedged in ... More Information

Construction Complete On New High-Speed Rail Tunnel

Inside the completed Desheng Tunnel, and inset, a Chinese high-speed train. Work on the project is now complete. © China ... More Information

DC Water Breaks Ground on Potomac River Tunnel Project

The Project consists of a large-diameter deep sewer tunnel, diversion facilities, drop shafts, and support structures to capture flows from existing ... More Information